As the developers of Open Journal Systems, Open Conference Systems, Open Harvester Systems, and Open Monograph Press, the PKP team are experts in helping journal managers and conference organizers make the most of their online publishing projects. PKP Publishing Services offers support for:

As a customer of PKP Publishing Services, you will not only receive direct, personalized support from the PKP Development Team, but will be contributing to the ongoing development of the PKP applications. All funds raised by PKP Publishing Services go directly toward enhancing our free, open source software. For more information, please contact us.

1. Search the forum. You can do this from the Advanced Search Page or from our Google Custom Search, which will search the entire PKP site. If you are encountering an error, we especially recommend searching the forum for said error.

2. Check the FAQ to see if your question or error has already been resolved.

3. Post a question, but please, only after trying the above two solutions. If it's a workflow or usability question you should probably post to the OJS Editorial Support and Discussion subforum; if you have a development question, try the OJS Development subforum.

I upgraded from 2.0.2 to 2.0.2 and no error was reported. Hwever, after working the journal management (adding users and assigning roles) I sometimes I get the follwing error messages, but not always.
What can I do about it?